[PATCH] drm/etnaviv: NULL vs IS_ERR() buf in etnaviv_core_dump()

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The etnaviv_gem_get_pages() never returns NULL.  It returns error
pointers on error.

Fixes: a8c21a5451d8 ("drm/etnaviv: add initial etnaviv DRM driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/gpu/drm/etnaviv/etnaviv_dump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_dump.c b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
index 3fbb4855396c..33854c94cb85 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_dump.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_dump.c
@@ -215,7 +215,7 @@ void etnaviv_core_dump(struct etnaviv_gpu *gpu)
 		mutex_lock(&obj->lock);
 		pages = etnaviv_gem_get_pages(obj);
 		mutex_unlock(&obj->lock);
-		if (pages) {
+		if (!IS_ERR(pages)) {
 			int j;
 
 			iter.hdr->data[0] = bomap - bomap_start;
-- 
2.17.1




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